An Australian Family Owned & Operated Company Manufacturing Quality HVAC Products Since 1974

Our extensive range and industry knowledge assists in minimised installation and operating costs, as well as the safe operation and energy-efficient performance of our products in all instances, whether residential or commercial.

Download Catalogue

Our catalogue contains all of the new products that are now available at our branches and all prices are included.


Westaflex Connect

Westaflex CONNECT turns your home into a Smart Home using a smart phone, tablet or via the CONNECT.

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Westaflex Green Duct

Greenduct is an Award Winning flexible duct, made in Australia, by an Australian owned and operated family business.

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Westaflex Greenduct


Westaflex Greenduct has been designed and manufactured in Australia and complies with Australian Standard (AS) 4254 for construction and Australian Standard (AS) 4859.1 for its thermal performance. The UNILOK core of Westaflex Greenduct has been the recipient of an Australian Design Mark award and a Consensus Manufacturing award.

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Cover for Westaflex (Aust) Pty Ltd
Westaflex (Aust) Pty Ltd

Westaflex (Aust) Pty Ltd

Australian National supplier of Heating, Ventilation & Air Conditioning products and equipment.

CD-2000 Half Tile Lay In's on SPECIAL during the month of August.Manufactured in Melbourne Australia since 1988 out of UV stabilized ABS polymer. Support Australian Made, Support Australian jobs Westaflex CD-2000 ... See MoreSee Less
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It has been 30 years today (July 21st) since the founder of Westaflex / Uniflex, Ed Sterling passed.Since its foundation in 1974, Westaflex has been a proud Australian owned and operated manufacturing business. The products we manufacture are done so to the highest of standards, which are known in the Australian HVAC market as only the best.Westaflex products are not the cheapest, but they are a product you can install, get paid for the quality job you do and walk away knowing that the Westaflex products will be there for many trouble free years.On this day, the 30th anniversary of Ed Sterling’s passing, Elizabeth, Paul and Michael Sterling pause to remember Ed, and pay respect to the advances in the HVAC industry that he made, and that are still being used today. ... See MoreSee Less
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Westaflex AC Centrifugal In-Line Fans are manufactured in Australia, and now have the privilege to be recognised by and display the official Australian Made logo.For full details of the fans, email sales@westaflex.com.au ... See MoreSee Less
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2 months ago

Westaflex (Aust) Pty Ltd
Westaflex (Aust) Pty Ltd's cover photo ... See MoreSee Less
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A picture tells the story.Australian Made versus Import.Its the end user of the product that ends up paying the energy bills.Buy Australian MadeBuy Westaflex Flexible Duct ... See MoreSee Less
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Contact our Head Office

Westaflex has been supplying industry leading products and service to the Australian HVAC industry since 1974. With an ever increasing range of products on offer, Westaflex / Uniflex will remain the industry leader in innovation. 

140 - 160 Bamfield Road, Heidelberg West 3081, Victoria, Australia
7.30am to 5pm Monday to Friday
8.00am to 11am Saturday

Tell: (03) 9458 2122
Fax: (03) 9458 3120
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